Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 15:00

General

  • Target

    krampus.exe

  • Size

    5.6MB

  • MD5

    e3f7cfc15aecea1f817fd9e1c91b2b33

  • SHA1

    4427bc42173e964762c4f003628502ec601d45c0

  • SHA256

    64706688105210a3c3d265aceb11475e38bc1f35ffcd72a8d38bacc0806653eb

  • SHA512

    ed233e15a3d3947feb95c388355d7a8b05a06b2c74997b80dba331facf991f57ae252976a2465bec74c13075d06fa5cdc1930ee8e87da830e6bd1821f8eb2733

  • SSDEEP

    98304:R4UGDPt5D8brm4+Bo4M4du9I0y1ZKnnyZhK9iYRiBSqXGijc/Elh:R4/PD8m4IAOsI0fyiwS/iYsh

Score
7/10

Malware Config

Signatures

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\krampus.exe
    "C:\Users\Admin\AppData\Local\Temp\krampus.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start https://krampus-three.vercel.app/
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2088
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://krampus-three.vercel.app/
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcb53346f8,0x7ffcb5334708,0x7ffcb5334718
          4⤵
            PID:4208
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
            4⤵
              PID:1112
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2176 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2568
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2736 /prefetch:8
              4⤵
                PID:936
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3392 /prefetch:1
                4⤵
                  PID:4552
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3408 /prefetch:1
                  4⤵
                    PID:4800
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
                    4⤵
                      PID:3796
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2060
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5264 /prefetch:1
                      4⤵
                        PID:2052
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5280 /prefetch:1
                        4⤵
                          PID:4520
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3484 /prefetch:1
                          4⤵
                            PID:1044
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3476 /prefetch:1
                            4⤵
                              PID:3816
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,16752204360316283135,17587962070023859621,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4132 /prefetch:2
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:988
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&1
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:1108
                          • C:\Windows\system32\taskkill.exe
                            taskkill /f /im HTTPDebuggerUI.exe
                            3⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:4984
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3956
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2216

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            b9569e123772ae290f9bac07e0d31748

                            SHA1

                            5806ed9b301d4178a959b26d7b7ccf2c0abc6741

                            SHA256

                            20ab88e23fb88186b82047cd0d6dc3cfa23422e4fd2b8f3c8437546a2a842c2b

                            SHA512

                            cfad8ce716ac815b37e8cc0e30141bfb3ca7f0d4ef101289bddcf6ed3c579bc34d369f2ec2f2dab98707843015633988eb97f1e911728031dd897750b8587795

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            eeaa8087eba2f63f31e599f6a7b46ef4

                            SHA1

                            f639519deee0766a39cfe258d2ac48e3a9d5ac03

                            SHA256

                            50fe80c9435f601c30517d10f6a8a0ca6ff8ca2add7584df377371b5a5dbe2d9

                            SHA512

                            eaabfad92c84f422267615c55a863af12823c5e791bdcb30cabe17f72025e07df7383cf6cf0f08e28aa18a31c2aac5985cf5281a403e22fbcc1fb5e61c49fc3c

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                            Filesize

                            144B

                            MD5

                            24b045f18b1188cb87e3df6747643701

                            SHA1

                            e17652cd65a48b0a1fcd38164d316210620cbba4

                            SHA256

                            860729bec41647448d669039778c7e9ac9d9c8f8858f97a9d2f283595b660708

                            SHA512

                            0414f0f51486fce6683b99e53339196d86269cce50d7c804be5272c8b0d171b6dafe0fa95a42b0d5baa69f46bae44a83f5c38dd2ba7030c876d2bab815e29476

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            270B

                            MD5

                            c3b2624dc13f33f40e49f0605ca388c4

                            SHA1

                            b6d77fd8929b9edee32bd3e6e6a04d29ea67665a

                            SHA256

                            cde5fc3ccd2b401931bfa379acf238dd984260dca1a214784196083a10027f62

                            SHA512

                            ef88cee8b2e8c890aba0e1ee9ca56f549376b90ecfba0ba1662f4c4c5c7d0d890f4acce44c06accc670d507b19cd79eec598dce12666d001f20bff49bd37afc8

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            22a9410b35447b08f876046358e11df8

                            SHA1

                            21ca769ddf614e78aae8592b49fc0b9a200e4f36

                            SHA256

                            e976259a7c160bea0d7812196605489eff97841f1b64920b54dba83433b45e02

                            SHA512

                            9e880455b9b797c804cf303afb2ee82a1574b35cb8863006fd36d7f5aa9114254706aa6347dbd4d537a22626020d707df04b9beb7bc4d79662a88812670d393e

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            2a17c1bbcd310c46efdbc846d57abf41

                            SHA1

                            df00a4c68f5f359d6c3be86ac9d9ec8d4b858af9

                            SHA256

                            32a414b735b3d583ded1dd48cc8ec6f110dabe5d5c45ebeb35706e97096677d0

                            SHA512

                            1fff43f350524793178f72a3f78136968f3ec10ff9d2443da8faa3aa314c29136d9a77241ee94833f8134bc33f57520198af45beb7d5eb0b98c791c817da2b78

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            11KB

                            MD5

                            557ca20e99e1c40e41e35494677e6ff9

                            SHA1

                            29aaa206cf88af1874eff36388510df86d229dc4

                            SHA256

                            ace5609b5db56e7b5e0a78801a965b1bc0581febd12d534521057b98fa906b6e

                            SHA512

                            1d41931fa02dff8f3a04d7a70a4391924361363982067e43f0d634ca2900c5e6018dc481d1f6ed769d645a02857ecb30fe8a73438c4a2aa5201ee396d4c452ee

                          • memory/4784-9-0x0000000140000000-0x0000000140AF3000-memory.dmp

                            Filesize

                            10.9MB

                          • memory/4784-7-0x000000014022B000-0x0000000140562000-memory.dmp

                            Filesize

                            3.2MB

                          • memory/4784-1-0x00007FFCD2FF0000-0x00007FFCD2FF2000-memory.dmp

                            Filesize

                            8KB

                          • memory/4784-0-0x000000014022B000-0x0000000140562000-memory.dmp

                            Filesize

                            3.2MB

                          • memory/4784-2-0x00007FFCD3000000-0x00007FFCD3002000-memory.dmp

                            Filesize

                            8KB

                          • memory/4784-3-0x0000000140000000-0x0000000140AF3000-memory.dmp

                            Filesize

                            10.9MB